BERLIN - Germany's BioNTech, Pfizer's partner in Covid-19 vaccines, said the two companies would start tests on humans later this year of...
 
LONDON - Scientists discover that defensive mechanisms, such as shells and venom, may contribute to animals’ ability to stop their own bodies from...
 
NEW YORK - Moderna’s new Covid-19 vaccine is five times better at boosting antibodies than its original jab, results have suggested. The...
 
LONDON - A major study has found that three doses of the same Covid vaccine or a combination of jabs work equally well in preventing infections. A...